Murdle Jr.: Sleuths on the Loose

By G. T. Karber and Chris Grabenstein

Inspired by the global phenomenon of the Murdle puzzle books comes the first novel in a new thrilling mystery series. Perfect for fans of Mr. Lemoncello's Library and The Swifts.

It's a cloudy day on the Sacred Kidney playground, but Jake likes it that way--dark and uncertain. For a junior detective like Jake, standing up to bad guys is a piece of cake. After all, she's the only detective at Sacred Kidney Elementary with a hard-earned badge to her name. But just as Jake and her sidekick Sterling prepare to face off against the biggest bully in school, there's a scream from inside the library.

The kids are sure they heard Miss Saffron cry out, but when they arrive at the scene of the crime, the library is how it's always been: filled with books, but no Miss Saffron to be found None of the adults still there after school are talking, but Jake, Sterling, and Brick the bully are determined to find out what happened. This unlikely trio pinky promises to solve...the crime at Sacred Kidney

The second Murdle Jr. puzzle book Ready, Set, Solve is a companion for this novel, with some Easter egg puzzles to solve between the pairing of books, for readers with the keenest of eyes

Solve the Puzzles:
Curious Crimes for Curious Minds
Ready, Set, Solve

Read the Mysteries​
Sleuths on the Loose

• Format: Hardcover
• Language: English
• ISBN: 0316582255
• ISBN13: 9780316582254
• Release Date: May 2025
• Publisher: Little, Brown Books for Young Readers
• Length: 352 Pages
• Weight: 0.85 lbs.
• Dimensions: 1.2" x 5.4" x 7.7"
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7